The algorithm behind this regular polygon calculator requires the side length and the number of sides to be given, while it is based on the formulas provided below: r = (s/2)*cotangent(180°/n) R = (s/2)*cosecant(180°/n) Area = (Perimeter*r)/2. Area of a parallelogram given sides and angle. Area of a circle. Advanced Polygon Calculator An interior angle is the angle between the two adjacent sides of a geometrical shape. An exterior angle is the angle between a side of a geometrical figure and an adjacent side that is extended outwards. A polygon consists of straight edges and at least three vertices. Polygon Calculator. The calculator computes the total area and also outputs all triangles it is used for calculation. With this centroid calculator, we're giving you a hand at finding the centroid of many 2D shapes, as well as of a set of points. Radius of circle given area. The polygon with the least number of sides is a triangle and the polygon with “n” number of sides is called n-gon. The figure below shows a regular octagon. Side of polygon given area. Feet Inches: Octagon Sides Side Lengths Single Triangle Section Area Total Area Bounding Rect . Area of an arch given angle. Code to add this calci to your website Just copy and paste the below code to your webpage where you want to display this calculator. This calculator works only for regular polygons - those polygons which have ALL sides equal & ALL interior angles equal. Our user asked us to create calculator which should determine "side length of the regular polygon (pentagon, hexagon) by diameter or radius of circumscribed circle". Just calculate: perimeter = 6 * side, where side refers to the length of any one side. For the sides, any value is accepted as long as they are all the same. Area of a quadrilateral. Area of a cyclic quadrilateral. It is simple when the edges don't intersect, so if the polygon isn't crossed.Here the edge lengths as well as the perimeter and area of the polygon can be … Side of a regular polygon when area is given calculator uses Side=sqrt(4*Area of regular polygon*tan(180/Number of sides))/sqrt(Number of sides) to calculate the Side, Side of a regular polygon when area is given can be defined as the line segment that makes up the polygon provided the value of the area of a regular polygon for calculation. Calculations at a simple polygon. All we have to do is to find length of base of the triangle, which is formed by center of polygon and two adjusted vertexes of the regular polygon. Area of a circular sector. This means that, for a regular hexagon, calculating the perimeter is so easy that you don't even need to use the perimeter of a polygon calculator if you know a bit of maths. A polygon can be classified as regular polygons and irregular polygons. Actually, this is quite simple. Simple online calculator to calculate the length of the sides, areas of circle and a regular polygon. Area of an arch given height and radius. Area of a regular polygon. The outer circle surrounding it is called a circumscribed circle (or circumcircle) and the inner circle which is surrounded by the octagon is called the inscribed circle (or incircle). Multi Sided Polygon Geometry Calculator See also: Full Scale Printable Polygon Templates. Circle Radius Bounding Circle Circumference Bounding Circle Area Single Circle Slice Area Centers Around Circumference : Sides Radius. Perimeter = n*s. To calculate the polygon area, you measure side lengths, put them into the table below, then split the polygon into non-overlapping triangles, measure needed diagonals, put them into the table, and you're done. The regular polygons have equal sides and angle measurement, whereas the irregular polygon has different side and angle values. Regular Polygons. 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